package springcloud.controller;

import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.util.concurrent.TimeUnit;

@RestController
@Slf4j
public class FlowLimitController {
    @GetMapping("/testA")
    public String testA(){
        //测试阈值类型 并发线程数的区别
/*        try {
            TimeUnit.MICROSECONDS.sleep(800);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }*/
        log.info("testA 测试阈值类型");
        return "testA";
    }
    @GetMapping("/testB")
    public String testB(){
        //通过控制台输出时间间隔来测试控流排队等待的时间间隔
        log.info("testB 测试控流排队等待");
        return "testB";
    }

    @GetMapping("/testC")
    public String testC(){
        try {
            TimeUnit.SECONDS.sleep(1);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        log.info("testC 测试SRA");
        return "testC";
    }
    @GetMapping("/testD")
    public String testD(){
        int i = 10/0;
        log.info("testD 测试EA");
        return "testD";
    }

    @GetMapping(value = "/testHotKey")
    @SentinelResource(value = "testHotKey", blockHandler = "deal_testHotKey")
    public String testHotKey(@RequestParam(value = "p1",required = false) String p1,
                             @RequestParam(value = "p2",required = false) String p2){
        return "testHotKey";
    }
    //blockHandler参数方法名一致，并增加 BlockException
    public String deal_testHotKey(String p1, String p2, BlockException exception){
        return "deal_testHotKey 繁忙";
    }
}
